/*
**  L2 - OSSP Logging Library
**  Copyright (c) 2001 The OSSP Project (http://www.ossp.org/)
**  Copyright (c) 2001 Cable & Wireless Deutschland (http://www.cw.com/de/)
**
**  This file is part of OSSP L2, a flexible logging library which
**  can be found at http://www.ossp.com/pkg/l2/.
**
**  Permission to use, copy, modify, and distribute this software for
**  any purpose with or without fee is hereby granted, provided that
**  the above copyright notice and this permission notice appear in all
**  copies.
**
**  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
**  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
**  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
**  IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
**  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
**  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
**  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
**  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
**  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
**  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
**  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
**  SUCH DAMAGE.
**
**  l2.c: internal C implementation
**
*/

#include "l2.h"
#include "l2_p.h"

l2_stream_t* l2_stream_create(void)
    {
    l2_stream_t *st;
    st = (l2_stream_t *)malloc(sizeof(l2_stream_t));
    if (!st)
        return NULL;
    memset(st, 0, sizeof(l2_stream_t));
    return st;
    }

void l2_stream_destroy(l2_stream_t* st)
    {
    size_t i;
    for (i = 0; i <= L2_MAX_CHANNELS && st->channels[i]; ++i)
	l2_channel_destroy(st->channels[i]);
    for (i = 0; i <= L2_MAX_FORMATTERS && st->formatters[i]; ++i)
	free(st->formatters[i]);
    }

l2_stream_t* l2_stream_channel(l2_stream_t *st, l2_channel_t *ch, unsigned int levelmask)
    {
    size_t i;
    for (i = 0; i <= L2_MAX_CHANNELS && st->channels[i]; ++i)
	;
    if (i == L2_MAX_CHANNELS)
	return 0;		/* Array is full. */
    st->channels[i] = ch;
    return st;
    }